forked from OSchip/llvm-project
58 lines
2.2 KiB
LLVM
58 lines
2.2 KiB
LLVM
; REQUIRES: object-emission
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; RUN: llc < %s -filetype=obj -mtriple=x86_64-apple-darwin | llvm-dwarfdump -v - | FileCheck %s
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; Test that a nodebug function (a function not appearing in the debug info IR
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; metadata subprogram list) with DebugLocs on its IR doesn't cause crashes/does
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; the right thing.
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; Build with clang from the following:
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; extern int i;
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; inline __attribute__((always_inline)) void f1() {
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; i = 3;
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; }
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;
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; __attribute__((nodebug)) void f2() {
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; f1();
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; }
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; Check that there's no DW_TAG_subprogram, not even for the 'f2' function.
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; CHECK: .debug_info contents:
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; CHECK: DW_TAG_compile_unit
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; CHECK-NOT: DW_TAG_subprogram
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; Expect no line table entry since there are no functions and file references in this compile unit
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; CHECK: .debug_line contents:
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; CHECK: Line table prologue:
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; CHECK: total_length: 0x00000019
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; CHECK-NOT: file_names[
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@i = external global i32
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; Function Attrs: uwtable
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define void @_Z2f2v() #0 {
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entry:
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store i32 3, i32* @i, align 4, !dbg !11
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ret void
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}
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attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!8, !9}
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!llvm.ident = !{!10}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !12, globals: !2, imports: !2)
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!1 = !DIFile(filename: "nodebug.cpp", directory: "/tmp/dbginfo")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "f1", linkageName: "_Z2f1v", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 2, file: !1, scope: !5, type: !6, retainedNodes: !2)
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!5 = !DIFile(filename: "nodebug.cpp", directory: "/tmp/dbginfo")
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!6 = !DISubroutineType(types: !7)
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!7 = !{null}
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!8 = !{i32 2, !"Dwarf Version", i32 4}
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!9 = !{i32 2, !"Debug Info Version", i32 3}
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!10 = !{!"clang version 3.5.0 "}
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!11 = !DILocation(line: 3, scope: !4)
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!12 = !{!13}
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!13 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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